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  • 1
    Electronic Resource
    Electronic Resource
    The assessment of pelvic circulation after internal iliac arterial reconstruction:—A retrospective study of the treatment for vasculogenic impotence and hip claudication (1989)
    Springer
    Surgery today 19 (1989), S. 549-555 
    Details
    ISSN: 1436-2813
    Keywords: vasculogenic impotence ; hip claudication ; internal iliac reconstruction ; Doppler assessment of rectal blood flow
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The standard surgical treatment of vasculogenic impotence or hip claudication involves repairing vascular lesions, especially in the internal iliac arteries. It is difficult, however, to make a definite diagnosis or an accurate judgement of the therapeutic effects of this treatment due to the trouble in ruling out any other disorders. During the last five years, 19 patients with impotence and associated apparent internal iliac artery stenosis or occlusion and 2 patients with hip claudication, underwent internal iliac arterial reconstruction. The patients’ ages ranged from 37 to 70 with a mean age of 63.7 and the main procedure performed in all patients was aorto-iliac to femoral bypass grafting, or abdominal aortic aneurysmectomy. A retrospective study revealed that 74 per cent of those treated regained penile erectile activity postoperatively, and that hip claudication disappeared completely in all cases. One of the patients received percutaneous transluminal angioplasty (PTA) for the treatment of vasculogenic impotence, after which his postoperative penile brachial pressure index (PBPI) improved, demonstrating a statistically significant difference compared to the preoperative value. Trans-anal Doppler measurement also proved useful in providing complication-free perioperative understanding of pelvic circulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02471662
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    One-point measurement of the peak-to-peak pulsatility index as an indicator for evaluation of infrainguinal bypass procedures (1997)
    Springer
    Surgery today 27 (1997), S. 305-309 
    Details
    ISSN: 1436-2813
    Keywords: duplex ultrasonography ; infrainguinal vascular reconstructions ; postoperative graft surveillance ; peak systolic velocity ; peak-to-peak pulsatility index
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract While duplex scanning has been advocated as the most accurate modality for postoperative graft surveillance, it is time-consuming for evaluating the entire graft. The aim of the present study was to determine which parameter predicts graft failure most simply and precisely, by examining 62 men and 1 woman who collectively underwent 71 infrainguinal arterial bypasses. A total of 212 scannings were obtained using a duplex scanner, and the peak systolic velocity (PSV), PSV ratio, and peak-to-peak pulsatility index (PPI) were analyzed. This analysis revealed 7 occlusions, 9 stenoses, and 1 arteriovenous fistula. When a PSV 〈 45 cm/s and/or a PSV ratio 〉2.0 was defined as graft failure, the sensitivity was 84.0% and the specificity was 81.8%; however, a PPI 〈 7.0 at the midgraft, indicating graft failure, showed a sensitivity of 100% and a specificity of 83.3%. The PPI exhibited better sensitivity and specificity than the PSV, even though the PPI needs only to be measured at the midgraft whereas the PSV should be measured at at least two points. Thus, we believe that the PPI could be the most useful and simple parameter to assess infrainguinal bypass grafts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00941803
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Sclerotherapy of internal hemorrhoids using newly devised transparent disposable anorectoscope (1992)
    Springer
    Surgical endoscopy and other interventional techniques 6 (1992), S. 125-127 
    Details
    ISSN: 1432-2218
    Keywords: Internal hemorrhoid ; Sclerotherapy ; Transparent disposable anorectoscope
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We devised a transparent anorectoscope for internal hemorrhoidal sclerotherapy. Using this scope the grade of hemorrhoids of the patients can be evaluated accurately through the transparent wall of the scope, and the device facilitates easier and safer sclerotherapy under clear direct vision, compared to the conventional free-hand-style treatment. We conclude that sclerotherapy using this anorectoscope represents a minimally invasive treatment for low-grade internal hemorrhoids and is recommendable for outpatient therapy of internal hemorrhoids.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02309083
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    A case of popliteal cystic degeneration with pathological considerations (1992)
    Springer
    Annals of vascular surgery 6 (1992), S. 525-529 
    Details
    ISSN: 1615-5947
    Keywords: Cystic degeneration ; popliteal artery ; popliteal adventitial cystic degeneration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Adventitial cystic degeneration of the popliteal artery is seldom encountered; only 39 cases have been reported up to now in Japan. The pathogenesis of this disease remains controversial, and the authors describe a case in which the pathological findings differed from cases reported in the previous literature. The subject was a 74-year-old man admitted to our hospital complaining of intermittent claudication. The characteristic findings of cystic degeneration of the popliteal artery were uncovered by contrast-enhanced computed tomography (CT) and duplex sonography. The contrast-enhanced CT showed a low-density area and duplex sonography revealed a multi-lobulated low-echoic lesion. The Doppler signal of the low-echoic lesion could not be detected. While some cysts were found in the adventitia, they were mainly located in the media. The media also showed a remarkable decrease of smooth muscle cells and a prominent mucinous degeneration that had occurred circumferentially. These findings suggest that the medial degeneration noted had occurred prior to cystic formation. Because of this and other findings, we recommend the use of the termcystic degeneration of the popliteal artery in addition to the termcystic adventitial disease of the popliteal artery.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02000824
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    Paper (German National Licenses)
    Fulltext
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